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首页> 外文期刊>Geochemistry, geophysics, geosystems >Environmental Significance of the Chemical Composition of Sediments in Groundwater‐Recharged Lakes of the Badain Jaran Desert, NW China
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Environmental Significance of the Chemical Composition of Sediments in Groundwater‐Recharged Lakes of the Badain Jaran Desert, NW China

机译：北航贾兰沙漠地下水再充电湖泊沉积物化学成分的环境意义

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Abstract > For lakes in desert hinterlands that are not recharged by river runoff, sediment is input solely by wind transport; however, the mechanisms that control the spatial variations in geochemical characteristics of sediments in such lakes remain unclear. Moreover, it remains uncertain whether some element ratios can be used as proxies for environmental characteristics. In this study, 100 surface sediment samples were collected from five lakes in the hinterland of the Badain Jaran Desert, NW China, and examined for their major, trace and rare earth element contents and mineral assemblages. Chemical composition and mineral components of the sediments differed significantly between lakes with different total dissolved solids (TDS). Geochemical characteristics of the lake sediments and their spatial variations are influenced by eolian sands, saline minerals, and sediment sorting. Eolian sands dominate the immobile and nonsoluble elements, whereas authigenic minerals are important in influencing variations in the mobile and soluble elements. Sediment sorting is reflected in the spatial variation of the sediment chemical composition. The positive relationship between the SiO <sub>2</sub> /Ti of sediment and lake area indicates that changes in the SiO <sub>2</sub> /Ti ratio can reveal approximate lake area. The Na <sub>2</sub> O/K <sub>2</sub> O ratio in sediments can reveal the TDS of salt lakes more effectively than can the Rb/Sr ratio. However, the key factors and mechanisms governing the chemical composition of sediments at different brine evolution stages vary among lakes with different TDS levels, which should be carefully considered when interpreting the environmental significance of the chemical composition as a proxy for paleoenviroment change. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> > 对于河流径流没有充电的沙漠腹地的湖泊，沉积物仅由风运输输入;然而，控制这种湖泊中沉积物的地球化学特征的空间变化的机制仍然尚不清楚。此外，它仍然不确定某些元素比是否可以用作环境特征的代理。在这项研究中，从Badain Jaran Desert，NW中国的腹地中的五个湖泊收集了100种表面沉积物样本，并为其主要，痕量和稀土元素内容和矿物组合进行了检查。沉积物的化学成分和矿物成分在具有不同总溶解固体（TDS）的湖泊之间的显着不同。湖泊沉积物的地球化学特征及其空间变化受到丰光砂，盐矿物质和沉积物分类的影响。 EOLIAN SANDS主导了固定和非溶解元素，而Aheyenenic矿物质在影响流动和可溶性元素的变化方面是重要的。沉积物分选反映在沉积物化学成分的空间变化中。 SIO之间的积极关系 <sub> 2 </ sub> / Ti的沉积物和湖泊区域表明SIO的变化 <sub> 2 </ sub> / TI比率可以显示近似湖区。 na <sub> 2 </ sub> 好的 <sub> 2 </ sub> 沉积物中的o比rb / sr比率更有效地揭示盐湖的TDS。然而，治疗不同盐水进化阶段的沉积物化学成分的关键因素和机制在具有不同TDS水平的湖泊中变化，当解释化学成分的环境意义时应仔细考虑，作为古生倍增的代理。 </ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-23285/'>《Geochemistry, geophysics, geosystems》</a> <b style="margin: 0 2px;">|</b><span>2019年第2期</span><b style="margin: 0 2px;">|</b><span>共15页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Zhuolun&option=202" target="_blank" rel="nofollow">Li Zhuolun;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chen Qiujie&option=202" target="_blank" rel="nofollow">Chen Qiujie;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhang Cheng&option=202" target="_blank" rel="nofollow">Zhang Cheng;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yu Qiangjing&option=202" target="_blank" rel="nofollow">Yu Qiangjing;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Dong Shipei&option=202" target="_blank" rel="nofollow">Dong Shipei;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhao Liqiang&option=202" target="_blank" rel="nofollow">Zhao Liqiang;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Wang Naiang&option=202" target="_blank" rel="nofollow">Wang Naiang;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>College of Earth and Environmental Sciences Center for Glacier and Desert ResearchLanzhou UniversityLanzhou China;</p> <p>College of Earth and Environmental Sciences Center for Glacier and Desert ResearchLanzhou UniversityLanzhou China;</p> <p>College of Earth and Environmental Sciences Center for Glacier and Desert ResearchLanzhou UniversityLanzhou China;</p> <p>College of Earth and Environmental Sciences Center for Glacier and Desert ResearchLanzhou UniversityLanzhou China;</p> <p>College of Earth and Environmental Sciences Center for Glacier and Desert ResearchLanzhou UniversityLanzhou China;</p> <p>College of Earth and Environmental Sciences Center for Glacier and Desert ResearchLanzhou UniversityLanzhou China;</p> <p>College of Earth and Environmental Sciences Center for Glacier and Desert ResearchLanzhou UniversityLanzhou China;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/163.html" title="地球物理学">地球物理学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=lake sediment&option=203" rel="nofollow">lake sediment;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=geochemistry&option=203" rel="nofollow">geochemistry;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=rare earth element&option=203" rel="nofollow">rare earth element;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=groundwater‐recharged lakes&option=203" rel="nofollow">groundwater‐recharged lakes;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=hyperarid region&option=203" rel="nofollow">hyperarid region;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=sand sea&option=203" rel="nofollow">sand sea;</a> </p> <div class="translation"> 机译：湖泊沉积物;地球化学;稀土元素;地下水充电湖泊;过度地区;沙海; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704023360484.html">Environmental Significance of the Chemical Composition of Sediments in Groundwater‐Recharged Lakes of the 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SYSTEM FOR POLLUTED SEDIMENT IN RIVER, LAKE, OR ESTUARY</a> <b>[P]</b> . <span> 外国专利： <!-- 世界知识产权组织专利： --> WO2018032834A1 </span> <span> . 2018-02-22</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：河流，湖泊或河口污染沉积物的智能，环保型挖泥系统 </span> </p> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130461823367.html">dioramas unpainted in various plastic materials, war games, or other uses modellistici, consisting of formelle affiancabili.riproducenti in tridimensione various environmental aspects linked to territory (hills, rivers, lakes, and houses scattered or agglomerated, deserts, roads, railways, etc.)</a> <b>[P]</b> . <span> 外国专利： <!-- --> ITRM930021V0 </span> <span> . 1993-02-04</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：在各种塑料，战争游戏或其他用途中未涂漆的西洋镜，包括与地形相关的各种环境因素（山丘，河流，湖泊和散落或聚结的房屋，沙漠，道路，铁路等），在各个维度上都由formelle affiancabili.riproducenti组成。 ） </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130419366463.html">D-NVI attached to the surface of iron sulfide sediment and method for purifying polluted soil and groundwater environmental pollutants</a> <b>[P]</b> . <span> 外国专利： <!-- 韩国专利： --> KR101241377B1 </span> <span> . 2013-03-11</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：附着在硫化铁沉积物表面的D-NVI及污染土壤和地下水环境污染物的净化方法 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 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